Simplified a bit and removed uneccesary c_rehash.

Tested by rebuilding ruby-2.0.0-p0, installing rails, updating bundler to 1.3.0 and created a rails app to try it out.

All worked fine ```dtrace``` showed me that whenever a HTTPS url is accessed ```/usr/local/etc/openssl/cert.pem``` is opened.

:thumbsup: